{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd46b3ea96f001e2b0e53534bc3d63e9d21c686ee0fa9b4f17a699c990bdb091a",
    "signature": "0x6ca778421d6a8fa7b43276a968c827821aec6366d82b4274ce42bdab0da615cb172f9092eca0fc98b143dfa07404379cf070dcf603002fc8daeb75ffbbce0d881c",
    "signer": "0x675366e39d19EbC2D10f111F5A52397F7f40f625",
    "userId": "829793830"
  }
}